<template>
  <div id="app">
    <!-- <nav>
      这个才是真正的首页<br/>
      <router-link to="/">Home</router-link> |
      <router-link to="/about">About</router-link> |
      <router-link to="/main">我的首页</router-link> |
      <router-link to="/studentList">学生列表</router-link>
    </nav> -->
    <!-- 1111 -->
    <!-- router-view:是个占位符，App.vue是默认的首页 ，路由对应的页面会替换这个占位符的内容-->
    <router-view/>
  </div>
</template>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}

nav {
  padding: 30px;
}

nav a {
  font-weight: bold;
  color: #2c3e50;
}

nav a.router-link-exact-active {
  color: #42b983;
}
</style>
